text: // Copyright (c) 2014-2016, The Monero Project
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  /*!
   * \file singleton.h
   *
   * \brief A singleton helper class based on template.
   */
  
  /*!
   * \namespace Language
   * \brief Mnemonic language related namespace.
   */
  namespace Language
  {
    /*!
     * \class Singleton
     *
     * \brief Single helper class.
     *
     * Do Language::Singleton<YourClass>::instance() to create a singleton instance
     * of `YourClass`.
     */
    template <class T>
    class Singleton
    {
      Singleton() {}
      Singleton(Singleton &s) {}
      Singleton& operator=(const Singleton&) {}
    public:
      static T* instance()
      {
        static T* obj = new T;
        return obj;
      }
    };
  }
  